switch DOMFragment localization to use l10n-overlay and node cloning
Bug 837440: Rewrite getEntity in parser to allow for entities without values
update min for l20n-xml
update l20n-min.js
fix a typo in getEntity that caused it to return null attributes
remove old l20n-xml
change the attribute name from l20nOrigNode to l10nSource
move l20n.js to context.js
Add globals to Context: @hour, @os, @screen.width, @screen.height